Marcin Gomulkiewicz Miroslaw Kutylowski Hamming Weight Attacks on Cryptographic Hardware - Breaking Masking Defense. 90-103 2002 conf/esorics/2002 ESORICS http://link.springer.de/link/service/series/0558/bibs/2502/25020090.htm db/conf/esorics/esorics2002.html#GomulkiewiczK02